Actually OK and Cancel is better here than Apply and Close.

Because the same dialog is used when creating a new pivot table, where
the Apply and Close semantic feels a bit weird.  Also, some features of
the dialog were designed with Ok / Cancel in mind (like the destination
location).

Change-Id: I9ac889bca9f967cb97b34ab45ea563547b58d422
(cherry picked from commit 345d6dd9d938a88722fb6d1f1963047a9761412d)